Sunspot region AR12838
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/03 | 3 | 30 | CRO | N24W88 | |
| 2021/07/04 | 3 | 30 | CRO | N24W0* |
2021/07/03
2021/07/04
|
2021/07/03
2021/07/04
|
| B | C | M | X |
|---|---|---|---|
| 13 | 5 | 3 | 1 |
The top 10 solar flares from sunspot region 12838
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.59 | 2021/07/03 | 14:18 | 14:29 | 14:34 | |
| 2 | M2.7 | 2021/07/03 | 07:04 | 07:17 | 07:22 | |
| 3 | M1.5 | 2021/07/04 | 05:00 | 05:09 | 05:15 | |
| 4 | M1.0 | 2021/07/03 | 16:59 | 17:03 | 17:14 | |
| 5 | C5.7 | 2021/07/03 | 02:14 | 02:31 | 02:40 | |
| 6 | C2.1 | 2021/07/04 | 03:26 | 03:36 | 03:44 | |
| 7 | C2.0 | 2021/07/04 | 01:34 | 01:49 | 02:14 | |
| 8 | C1.9 | 2021/07/03 | 04:58 | 05:08 | 05:24 | |
| 9 | C1.9 | 2021/07/03 | 12:55 | 13:11 | 13:22 | |
| 10 | B8.6 | 2021/07/02 | 21:48 | 21:54 | 22:02 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
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Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |